... With MS Office products their vulnerability to malware exploits would give one pause if for example there [w]ere no security upDATES.
However ... if one only uses the product offline, it seems to me that this would be a non-issue. Moreover, running a malware-detection and cleaning package such as Malwarebytes from time to time should keep the MS Office suite clean; and running such on any incoming MS Office items should again be protective.
* Please correct any misconception(s) I might have in this regard. *
